The High Altar of the Basilica of Santo Spirito occupies the symbolic and liturgical center of the building, at the point where the architectural lines conceived by Filippo Brunelleschi most clearly converge toward the spiritual heart of the church.
The current structure was built between the late 16th and early 17th centuries, based on a design by Giovan Battista Caccini, sculptor and architect active in Medicean Florence, with the collaboration of Gherardo Silvani and Agostino Ubaldini. The intervention responded to the need to renew the presbyterial space in accordance with post-Tridentine liturgical requirements, while maintaining a harmonious dialogue with Brunelleschi’s Renaissance design.
The altar presents itself as a monumental yet restrained construction, founded on a carefully balanced relationship between architecture and sculpture. Polychrome marbles, hard stones, and bronze elements contribute to defining a solemn structure, organized around the ciborium and the Eucharistic tabernacle, the theological core of the entire complex.
The octagonal balustrade, animated by angels and candelabra, visually introduces the sacred space, while the marble statues of the Virgin Mary and Saint John the Evangelist accompany the wooden Crucifix placed at the rear, creating a symbolic path that guides both the gaze and the meditation of the faithful.
The High Altar is not only a masterpiece of late Renaissance sacred art, but also represents a point of synthesis between liturgy, architecture, and Augustinian spirituality, confirming the Basilica of Santo Spirito as one of the highest expressions of Florentine religious culture.